<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			* {
				margin: 0;
				padding: 0;
			}

			.header {
				width: 970px;
				height: 103px;
				margin: 0 auto;
				margin-top: 10px;
				margin-bottom: 10px;
				;
			}

			.logo {
				float: left;
				width: 277px;
				height: 103px;
				background-color: red;
			}

			.nav-lan {
				float: left;
				float: right;
				width: 679px;
				height: 103px;
				/*background-color: green; */

			}

			.n01 {
				float: right;
				width: 137px;
				height: 49px;
				background-color: green;

			}

			.n02 {
				float: right;
				margin-top: 8px;
				width: 679px;
				height: 46px;
				background-color: green;
			}

			.center {
				width: 970px;
				height: 435px;
				margin: 0 auto;
				margin-top: 10px;
				margin-bottom: 10px;
				/* background-color: yellow; */
			}

			.A {
				float: left;
				width: 310px;
				height: 435px;
				background-color: orange;
			}

			.B {
				float: left;
				float: right;
				width: 650px;
				height: 435px;
			/* 	background-color: red; */

			}
			.B1{
				float: right;
				width: 650px;
				height: 400px;
				/* background-color: blue; */
			}
			.B1l{
				width: 450px;
				height: 400px;
				
			}
			.B11{
				float: left;
				width: 450px;
				height: 240px;
				margin-bottom: 10px;
				background-color: blue;
				}
			.B12{
				float: left;
				width: 450px;
				height: 110px;
				background-color: blue;
				margin-bottom: 10px;
				
			}
			.B13{
				float: left;
				width: 450px;
				height: 30px;
				background-color: blue;
				
			}
			.B1r{
				float:right;
				width: 190px;
				height: 400px;
				background-color: pink;
			}
		
			.B2{
				margin-top: 10px;
				float: left;
				width: 650px;
				height: 25px;
				background-color: rgb(51,153,0);
			}

			.footer {
				width: 970px;
				height: 35px;
				margin: 0 auto;
				background-color: black;
			}
		</style>
	</head>
	<body>
		<div class="header">
			<div class="logo">logo</div>
			<div class="nav-lan">
				<div class="n01"></div>
				<div class="n02"></div>

			</div>
		</div>
		<div class="center">
			<div class="A"></div>
			<div class="B">
				<div class="B1">
					<div class="B1r"></div>
					<div class="B1l">
						<div class="B11"></div>
						<div class="B12"></div>
						<div class="B13"></div>
						
					</div>
					
					
				</div>
				<div class="B2"></div>
			</div>

		</div>
		</div>
		<div class="footer"></div>
	</body>
</html>
